Method of manufacturing nitrided silicon parts

Details Method of manufacturing nitrided silicon parts Method of manufacturing nitrided silicon parts

1980-01-04

1982-08-24

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of silicon containing

501153, 501154, 264 65, 427216, 4273762, 427399, 427314, 427444, F27B 904

Patent

active

043461476

ABSTRACT:
A method of manufacturing nitrided silicon parts which retain their mechanical properties after hot oxidation, said method consisting of sintering silicon powder in an atmosphere which is rich in nitrogen. 1% to 10% by weight of aluminium powder is added to the silicon before sintering thereof and preliminary hot oxidation is effected in conditions which allow acicular mullite to form by the direct action of the aluminium and of a complement of oxygen molecules supplied by the outside medium on the silicon formed.

REFERENCES:
patent: 3811928 (1974-05-01), Henney et al.
Journal of Material Science, vol. 7, 1972, pp. 482-484, "The Nitriding of Silicon Powder Compacts".

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